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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-189.140043
Energy at 298.15K 
HF Energy-189.140043
Nuclear repulsion energy117.124244
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBEultrafine/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3514 3514 1.33      
2 A 3419 3419 0.25      
3 A 3065 3065 0.06      
4 A 1695 1695 0.69      
5 A 1587 1587 17.49      
6 A 1290 1290 0.51      
7 A 1248 1248 0.01      
8 A 1007 1007 0.58      
9 A 887 887 67.94      
10 A 770 770 124.96      
11 A 540 540 1.49      
12 A 331 331 2.48      
13 A 239 239 17.39      
14 B 3513 3513 3.12      
15 B 3417 3417 0.61      
16 B 3070 3070 47.75      
17 B 1593 1593 42.09      
18 B 1347 1347 10.95      
19 B 1157 1157 101.46      
20 B 1091 1091 1.38      
21 B 767 767 78.73      
22 B 710 710 322.21      
23 B 347 347 43.14      
24 B 248 248 82.94      

Unscaled Zero Point Vibrational Energy (zpe) 18426.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18426.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/Def2TZVPP
ABC
1.42846 0.13169 0.12239

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.596 0.046
C2 -0.313 -0.596 0.046
N3 -0.313 1.853 -0.117
N4 0.313 -1.853 -0.117
H5 1.407 0.640 0.050
H6 -1.407 -0.640 0.050
H7 -1.329 1.793 -0.058
H8 1.329 -1.793 -0.058
H9 0.017 2.549 0.551
H10 -0.017 -2.549 0.551

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34541.41432.45411.09482.11752.03492.59782.03903.2016
C21.34542.45411.41432.11751.09482.59782.03493.20162.0390
N31.41432.45413.75882.11122.72771.01953.99931.01964.4623
N42.45411.41433.75882.72772.11123.99931.01954.46231.0196
H51.09482.11752.11122.72773.09112.97082.43672.41373.5281
H62.11751.09482.72772.11123.09112.43672.97083.52812.4137
H72.03492.59781.01953.99932.97082.43674.46371.65944.5764
H82.59782.03493.99931.01952.43672.97084.46374.57641.6594
H92.03903.20161.01964.46232.41373.52811.65944.57645.0978
H103.20162.03904.46231.01963.52812.41374.57641.65945.0978

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.547 C1 C2 H6 120.048
C1 N3 H7 112.447 C1 N3 H9 112.802
C2 C1 N3 125.547 C2 C1 H5 120.048
C2 N4 H8 112.447 C2 N4 H10 112.802
N3 C1 H5 113.978 N4 C2 H6 113.978
H7 N3 H9 108.934 H8 N4 H10 108.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 C -0.049      
3 N -0.288      
4 N -0.288      
5 H 0.046      
6 H 0.046      
7 H 0.140      
8 H 0.140      
9 H 0.152      
10 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.926 1.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.141 -1.585 0.000
y -1.585 -22.537 0.000
z 0.000 0.000 -28.762
Traceless
 xyz
x 4.508 -1.585 0.000
y -1.585 2.414 0.000
z 0.000 0.000 -6.923
Polar
3z2-r2-13.846
x2-y21.396
xy-1.585
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.167 -0.034 0.000
y -0.034 10.043 0.000
z 0.000 0.000 4.588


<r2> (average value of r2) Å2
<r2> 98.533
(<r2>)1/2 9.926